On 06/03/12 16:13, Michael Meeks wrote: > > On Tue, 2012-03-06 at 12:43 +0100, Matúš Kukan wrote: >> On 6 March 2012 11:55, Michael Meeks <michael.me...@suse.com> wrote: >>> I guess the other big win there to get the time down to seconds would >>> be to get idlc/'s idlcpp to compile lots of these IDL files at once.
>> On cygwin, most of the time takes 5, and touching files is also slow. >> The real work there in 2, and 4, is +-fast and you won't save much by >> making it faster. forking processes and filesystem are slow on cygwin, we knew that already, but good to have some numbers for it :) >> This seems to be true but idlc is called less than touch and much less than >> cp. >> So, maybe next improvement would be to call cp once for all files from >> the same directory. > > Sounds sensible :-) yes. there is already some weird code to group files with an extra parameter, perhaps that could be re-used, i don't know why that was introduced (by Ause iirc), perhaps because appending to the variables didn't scale well once the number of files got really large? > On Tue, 2012-03-06 at 14:10 +0200, Tor Lillqvist wrote: >>> So, maybe next improvement would be to call cp once for all files >>> from the same directory. >> >> As we de facto are requiring to use our own fork of Make anyway >> (aren't we?). > > Not really, though we have a copy of a recent cvs version around it is > deliberately hard to build & use, the sad thing is gnumake is maintained > in cvs & releases rather infrequently ;-( indeed gbuild should work on 3.81 with the fix for bug 20033, or 3.82 (works but is a little slow, or extremely slow on cygwin). >> couldn't we add "touch", "mkdir" and "cp" functions to >> Make? Implementing those should be fairly trivial. > > Would be lovely, would be even better to get them up-stream. the first thing i'd like to see added to make is a function to create a response file that is automatically deleted (a feature that dmake has), to get rid of the (necessarily) horrible Tempfile.mk. http://lists.gnu.org/archive/html/help-make/2011-04/msg00047.html _______________________________________________ LibreOffice mailing list LibreOffice@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/libreoffice
